ICSE ICSE Class 6 - CISCE Question Bank Solutions for Chemistry

Differentiate between natural fibres & synthetic fibres.

Explain how medicines are a boon to mankind. State the positive & negative effects of medicines like aspirin and paracetamol.

Preservatives are added to food or beverages.

Give reasons for the following

Titanium dioxide is an important ingredient in cosmetics.

Give reasons for the following

Aspirin is one of the most widely used medications – globally.

Give reasons for the following

Ordinary soap is wasted in hard water.

Food processing is an important procedure for obtaining marketable food products.

Give reasons for the following

Cosmetics may contain preservatives, as one of their ingredients.

Give reasons for the following

Polyester is added to natural fiber cotton, to give terylene.

Give reasons for the following

All medicines must be taken under proper doctors' supervision and in the correct dose.

What is atmosphere?

What would have happened if there would have been no atmosphere around the earth?

When water is heated, we see bubbles rising up. Why?

Fill in the blank

The layer of air around the earth is called the ________.

Explain in brief the different layers of the atmosphere and the basic functions of the main layers.

Explain the importance of carbon dioxide for (a) photosynthesis (b) warming the earth’s environment. State what would happen if excess carbon dioxide as a pollutant is released into the atmosphere.

State in brief how water vapour in the atmosphere determines the climatic conditions

Name the following:

The layer of atmosphere which contains the ozone layer.

Select the correct name from the choices given below for the following case.

A synthetic fibre used in clothing.

Why is air called a mixture? Give five facts in support of your answer.